Metastatic Cascade
unseel.com · invasion  ·  intravasation  ·  circulation  ·  extravasation  ·  colonization
step primary tumor
cells surviving 1,000,000
metastasis none
state
Epithelial cell & basement membrane
EMT / in-transit (E-cadherin lost)
Circulating tumor cell (CTC) & danger
Colonized distant organ (macrometastasis)
Unseel.com · The Metastatic Cascade: How One Cancer Cell Reaches a Distant Organ